Title:
ボーリングマシン
Document Type and Number:
Japanese Patent JP5002677
Kind Code:
B2
Inventors:
Seiji Yamamoto
Application Number:
JP2010104858A
Publication Date:
August 15, 2012
Filing Date:
April 30, 2010
Export Citation:
Assignee:
Seiji Yamamoto
International Classes:
E21B15/00
Domestic Patent References:
| JP11190185A | ||||
| JP3042828U | ||||
| JP7004588U |
Attorney, Agent or Firm:
Koji Ito